---
title: 公式换算
description: 分数、小数、百分数之间的换算
keywords: 分数, 小数, 百分数, 换算, 公式，速算，行测
---



## 分数小数互换

| 分数   | 百分比  | 分数   | 百分比   |
|--------|---------|--------|----------|
| 1/2    | 50%     | 1/3    | 33.3%    |
| 1/4    | 25%     | 1/5    | 20%      |
| 1/6    | 16.7%   | 1/7    | 14.3%    |
| 1/8    | 12.5%   | 1/9    | 11.1%    |
| 1/10   | 10%     | 1/11   | 9.1%     |
| 2/3    | 66.7%   | 3/4    | 75%      |
| 3/8    | 37.5%   | 5/8    | 62.5%    |
| 2/7    | 28.6%   | 3/7    | 42.9%    |
| 5/6    | 83.3%   | 2/9    | 22.2%    |
| 4/5    | 80%     | 7/8    | 87.5%    |
| 9/10   | 90%     | 11/12  | 91.7%    |
| 13/15  | 86.7%   | 17/20  | 85%      |
| 19/25  | 76%     | 23/50  | 46%      |
| n/9    | nn.n%   | 1/15   | 6.7%     |
| 1/12   | 8.3%    | 1/13   | 7.7%     |
| 1/14   | 7.1%    | 1/17   | 5.9%     |
| 1/19   | 5.3%    | 1/20   | 5%       |
| 1/18   | 5.6%    | 1/21   | 4.8%     |